FMF Racing® Aluminum/Stainless Steel Q4 Hex Slip-On Muffler with Side Panel

2017+ Honda CRF450R/CRF450RX

FMF is the leader in high performance quiet technology and our Q4 HEX is the next evolution in off road exhaust. The Q4 employs intricate chambers, baffles and proprietary multistage packing material making it the best performing quiet muffler available. With the Q4 you don’t need to hear the power, just feel the power!

Features:

• The Q series features advanced engineering to precisely locate baffles and chambers to absorb sound

• Less mass to enhance power-to-weight ratio

• Quiet power with minimal sacrifice for performance

• Developed over years of championship off-road racing

• Twin-stage core design for lower sound output and extended life of packing material

• Comes standard with spark arrestor

• Less sound equals more ground

• Meets FIM World Enduro sound regulations

• Power gains throughout the entire rpm range

• Spark arrestor included

• Pounds lighter than stock

• Rugged design for off-road endurance

• Made in the U.S.A.

Finish:

• Aluminum/Stainless Steel

Fitment:

• 2017+ Honda CRF450R/CRF450RX